中国电工网www.chinaet.net两种变压器油色谱分析方法对比赵伟程(大唐中南电力试验研究院,河南郑州450000)摘要:油色谱分析作为变压器故障诊断的重要手段,熟练掌握其分析方法有着重要意义。为此,介绍了三比值法与三角形判据法两种变压器油色谱分析方法,选取有代表性的典型变压器故障案例对比了两种方法分析的优缺点,并结合一起变压器故障案例讨论使用时需注意的问题,在变压器故障诊断方面为研究人员提供了参考。关键词:变压器;三比值;三角形判据法;案例分析中图分类号:TM406DOI:10.19768/j.cnki.dgjs.2023.01.042ComparisonofTwoMethodsofTransformerOilChromatographicAnalysisZHAOWeicheng(DatangCetralSouthElectricPowerTestResearchInstitute,Zhengzhou450000,China)Abstract:Oilchromatographyanalysisisanimportantmeansoftransformerfaultdiagnosis,anditisofgreatsignificancetomasteroilchromatographyanalysismethods.Therefore,twotransformeroilchromatographicanalysismethods,three-ratiomethodandtrianglecriterionmethod,areintroduced,andrepresentativetypicaltransformerfaultcasesareselectedtocomparetheadvantagesanddisadvantagesofthetwomethods.Combinedwithatransformerfailurecase,theproblemsthatneedtobepaidattentiontowhenusingarediscussed.Thisstudyprovidesareferenceforresearchersintransformerfaultdiagnosis.Keywords:transformer;threeratiosmethod;triang...